White House lawyers and Bolton continue to discuss and review any potential conflicts of interest

Published at 8:27 PM EDT on Apr 4, 2018

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In this Feb. 24, 2017, file photo, former U.S. Ambassador to the U.N. John Bolton speaks at the Conservative Political Action Conference in Oxon Hill, Md.

John Bolton, who is days away from becoming President Donald Trump's national security advisor, has been meeting with White House attorneys about possible conflicts of interest, CNBC has learned.

The exact sticking points for Bolton are unclear, but ethics experts say the appearance of a possible future role for Bolton with an entity such as a political action committee could be a cause for concern for White House officials. Bolton's PAC and super PAC, which are no longer receiving or spending capital, have been financial players in the early going of the midterm election cycle.

White House lawyers and Bolton continue to discuss and review any potential conflicts of interest for the former U.N. ambassador, sources with direct knowledge of the matter told CNBC on the condition of anonymity. A spokesman for Bolton, however, said that there haven't been any issues.